SSB:More than 2.4 kHz/-6 dB Less than 3.6 kHz/-60 dBCW:More than 500 Hz/-6 dB Less than 700 Hz/-40 dBRTTY:More than 350 Hz/-6 dB Less than 800 Hz/-40 dBAM:More than 6.0 kHz/-6 dB Less than 10 kHz/-40 dBFM:More than 12 kHz/-6 dB Less than 22 kHz/-50 dB